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# ===========================================================================
# http://autoconf-archive.cryp.to/ag_check_uname_syscall.html
# ===========================================================================
#
# SYNOPSIS
#
# AG_CHECK_UNAME_SYSCALL
#
# DESCRIPTION
#
# Check that the POSIX compliant uname(2) call works properly.
#
# LICENSE
#
# Copyright (c) 2008 Bruce Korb <bkorb@gnu.org>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved.
AC_DEFUN([AG_CHECK_UNAME_SYSCALL],[
AC_MSG_CHECKING([whether uname(2) is POSIX])
AC_CACHE_VAL([ag_cv_uname_syscall],[
AC_TRY_RUN([#include <sys/utsname.h>
int main() { struct utsname unm;
return uname( &unm ); }],[ag_cv_uname_syscall=yes],[ag_cv_uname_syscall=no],[ag_cv_uname_syscall=no]
) # end of TRY_RUN]) # end of CACHE_VAL
AC_MSG_RESULT([$ag_cv_uname_syscall])
if test x$ag_cv_uname_syscall = xyes
then
AC_DEFINE(HAVE_UNAME_SYSCALL, 1,
[Define this if uname(2) is POSIX])
fi
]) # end of AC_DEFUN of AG_CHECK_UNAME_SYSCALL
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